CN108001686B - Small drone that can drop packages from a fixed point - Google Patents

Abstract

A small unmanned aerial vehicle capable of airdrop parcel at fixed point belongs to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a wireless communication module, a wireless remote control module, a GPS positioning module, a parcel buffer mechanism, an installation box A and a control chip; the wireless communication module is arranged on the unmanned aerial vehicle body and is in remote communication connection with the wireless remote control module; the package buffer mechanism comprises an installation box B, a compressed gas tank, an electromagnetic gas valve, an air bag, an inflation connector B, an inflation connector A, a gas flowmeter and a reciprocating driving assembly; the installation box A comprises a box body, a bottom plate, a rotating shaft and a rotary driving mechanism; the rotary driving mechanism comprises a push rod, a slide block and a motor B; the control chip is installed in the installation box A and is electrically connected with the wireless communication module, the GPS positioning module, the electromagnetic air valve, the motor A and the motor B. The invention can carry goods to fly to a designated place and put in the place, can be applied to disaster relief work in disaster areas, and has simple and small structure, convenient control, stability and reliability.

Description

Small drone that can drop packages from a fixed point

technical field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a small unmanned aerial vehicle that can drop packages by air at a fixed point.

Background technique

Unmanned aircraft is referred to as "UAV", and the English abbreviation is "UAV". It is an unmanned aircraft operated by radio remote control equipment and self-provided program control devices. From a technical point of view, it can be divided into: unmanned fixed-wing aircraft, unmanned vertical take-off and landing aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, unmanned parachute, etc.

With the rapid development of science and technology, drones have been gradually applied to the rescue work of geological disasters. How to use drones to drop medicines and food urgently needed by the people to disaster areas that are difficult for disaster rescuers to reach in a short time has become a very important research topic. At present, there is no small UAV with fixed-point airdrop package function on the market.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a small unmanned aerial vehicle that can drop packages from a fixed point. .

The technical scheme of the present invention is: a small unmanned aerial vehicle capable of airdropping packages at a fixed point, including the unmanned aerial vehicle body; it also includes a wireless communication module, a wireless remote control module, a GPS positioning module, a package buffer mechanism, an installation box A and a control chip;

The wireless communication module is installed on the drone body, and it is connected with the wireless remote control module for remote communication;

The GPS positioning module is installed on the drone body;

The package buffer mechanism includes installation box B, compressed gas tank, solenoid valve, air bag, inflation joint B, inflation joint A, gas flow meter and reciprocating drive components; installation box B is fixedly installed on one side of installation box A; compressed gas tank It is located in the installation box B, which is provided with an air inlet and an air outlet; the air inlet end of the electromagnetic air valve is connected with the air outlet of the compressed gas tank, and the air outlet of the electromagnetic air valve is connected with the inflation joint A; In the box A, there is an inflation port on it; the inflation connector B is sealed and fixed on the inflation port of the airbag and faces the inflation connector A, and there is a one-way valve in it. The inflation connector A is associated with the reciprocating drive assembly and is driven Driven by the component, it performs reciprocating linear motion, and then realizes the docking or separation with the inflation joint B; the gas flow meter is installed on the pipeline between the electromagnetic gas valve and the compressed gas tank;

The reciprocating drive assembly includes a motor A, a lead screw, a nut, and a clamping piece; the motor A is installed on the side wall of the inner cavity of the installation box B, one end of the lead screw is connected to the shaft of the motor A through a coupling, and the other end is connected to the shaft of the motor A through the shaft. The sleeve is movably installed on the side wall of the installation box B, the nut is threaded on the lead screw, one end of the clamping piece is clamped on the inflation joint A, and the other end is fixed on the nut;

The installation box A includes a box body, a bottom plate, a rotating shaft, and a rotary drive mechanism; the box body is fixedly installed on the drone body, and its lower end is open. The mechanism is installed in the box body and is associated with the bottom plate, which drives the bottom plate to rotate around the rotating shaft, thereby opening or closing the opening at the lower end of the box body;

The rotary drive mechanism includes a push rod, a slider, and a motor B; one end of the push rod is fixed on the shaft of the motor B, and the other end is movably connected with the slider, the slider is movably installed in the chute on the inner surface of the bottom plate, and the motor B is fixed Installed on the inner side wall of the box body;

The control chip is installed in the installation box A, which is electrically connected with the wireless communication module, the GPS positioning module, the solenoid valve, the motor A and the motor B.

A further technical solution of the present invention is: the number of bottom plates is two, correspondingly, there are two rotating shafts, and the joints of the two bottom plates and the box body are respectively located on opposite sides of the lower end of the box body.

A further technical solution of the present invention is that: the box body of the installation box A is fixedly installed at the lower end of the drone body.

Compared with the prior art, the present invention has the following advantages:

The invention can carry goods to a designated place and drop them, and can be applied to disaster relief work in disaster areas, and has a simple and compact structure, convenient control, stability and reliability.

The present invention will be further described below with reference to figures and embodiments.

Description of drawings

Fig. 1 is the structural representation when the present invention carries the package;

FIG. 2 is a schematic structural diagram of the present invention when a package is placed.

Detailed ways

Example 1:

As shown in Figure 1-2, a small UAV that can drop packages by air at a fixed point includes the UAV body 100, a wireless communication module 1, a wireless remote control module, a GPS positioning module 3, a package buffer mechanism, an installation box A5 and a control chip 6 .

The wireless communication module 1 is installed on the drone body 100, and is connected to the wireless remote control module for remote communication.

The GPS positioning module 3 is installed on the drone body 100 .

The wrapping buffer mechanism includes an installation box B41, a compressed gas tank 42, an electromagnetic gas valve 43, an air bag 44, an inflation joint B45, an inflation joint A46, a gas flow meter 47 and a reciprocating drive assembly. The installation box B41 is fixedly installed on one side of the installation box A5. The compressed gas tank 42 is provided in the installation box B41, and is provided with an air inlet and an air outlet. The air inlet end of the electromagnetic air valve 43 is communicated with the air outlet of the compressed gas tank 42, and the air outlet of the electromagnetic air valve 43 is connected to the air charging joint A46. The airbag 44 is provided in the installation box A5, and an inflation port 441 is provided on it. The inflation joint B45 is sealed and fixed on the inflation port 441 of the airbag 44 and faces the inflation joint A46, and is provided with a one-way valve. The inflatable joint A46 is associated with the reciprocating drive assembly, and is driven by the reciprocating drive assembly to perform a reciprocating linear motion, thereby realizing docking or separation with the inflatable joint B45. The gas flow meter 47 is installed on the pipeline between the electromagnetic gas valve 43 and the compressed gas tank 42 .

The reciprocating drive assembly includes a motor A481 , a lead screw 482 , a nut 483 and a clamping member 484 . The motor A481 is installed on the side wall of the inner cavity of the installation box B41. One end of the lead screw 482 is connected to the shaft of the motor A481 through the coupling, and the other end is movably installed on the side wall of the installation box B41 through the shaft sleeve. The nut 483 thread Connected to the lead screw 482 , one end of the clamping member 484 is clamped on the inflation joint A46 , and the other end is fixed on the nut 483 .

The installation box A5 includes a box body 51 , a bottom plate 52 , a rotating shaft 53 and a rotary drive mechanism. The box body 51 is fixedly installed on the drone body 100, its lower end is open, the bottom plate 52 is movably connected to the lower end of the box body 51 through the rotating shaft 53, the inner surface of the bottom plate is provided with a chute 521, and the rotary drive mechanism is installed in the box body 51, and Associated with the bottom plate 52 , it drives the bottom plate 52 to rotate around the rotating shaft 53 , thereby opening or closing the opening at the lower end of the box body 51 .

The rotary drive mechanism includes a push rod 541, a slider 542, and a motor B543. One end of the push rod 541 is fixed on the shaft of the motor B543, and the other end is movably connected with the slider 542. The slider 542 is movably installed in the chute 521 on the inner surface of the bottom plate 52, and the motor B543 is fixedly installed on the inner wall of the box body 51. .

The control chip 6 is installed in the installation box A5, and is electrically connected with the wireless communication module 1, the GPS positioning module 3, the solenoid valve 43, the motor A481 and the motor B543.

Preferably, there are two bottom plates 52 , correspondingly, there are two rotating shafts 53 .

Preferably, the box body 51 is fixedly mounted on the lower end of the drone body 100 .

Briefly describe the use of the present invention: the operator first puts the package 101 into the installation box A5, controls the electromagnetic valve 43 to open through the wireless remote control module, and the gas in the compressed gas tank 42 enters the airbag 44, so that the airbag 44 is opened, and when the gas After the flow meter 47 detects that the inflation amount reaches a predetermined value, the control chip 6 controls the reciprocating drive assembly to generate action, and separates the inflation connector A46 from the inflation connector B45. Since the inflation connector B45 is provided with a one-way valve, the airbag 44 is separated after the two are separated. gas will not leak.

The destination coordinates are input through the wireless remote control module and sent to the drone body 100. After receiving the corresponding instructions, the wireless communication module 1 transmits the data to the control chip 6, and the control chip 6 calculates the flight route according to the current position coordinates and the destination coordinates. , and then control the drone body 100 to fly to the designated location. After reaching the destination, the control chip 6 controls the rotary drive mechanism to act, so that the bottom plate 52 is opened, the airbag 44 and the package 101 are dropped and discharged together, and the airbag 44 protects the package 101 from vibration when it falls.

Claims (3)

1. A small unmanned aerial vehicle that can be air-dropped at a fixed point, including the unmanned aerial vehicle body; it is characterized in that: it also includes a wireless communication module, a wireless remote control module, a GPS positioning module, a package buffer mechanism, an installation box A and a control chip; The wireless communication module is installed on the drone body, and it is connected with the wireless remote control module for remote communication; The GPS positioning module is installed on the drone body; The package buffer mechanism includes installation box B, compressed gas tank, solenoid valve, air bag, inflation joint B, inflation joint A, gas flow meter and reciprocating drive components; installation box B is fixedly installed on one side of installation box A; compressed gas tank It is located in the installation box B, which is provided with an air inlet and an air outlet; the air inlet end of the electromagnetic air valve is connected with the air outlet of the compressed gas tank, and the air outlet of the electromagnetic air valve is connected with the inflation joint A; In the box A, there is an inflation port on it; the inflation connector B is sealed and fixed on the inflation port of the airbag and faces the inflation connector A, and there is a one-way valve in it. The inflation connector A is associated with the reciprocating drive assembly and is driven Driven by the component, it performs reciprocating linear motion, and then realizes the docking or separation with the inflation joint B; the gas flow meter is installed on the pipeline between the electromagnetic gas valve and the compressed gas tank; The reciprocating drive assembly includes a motor A, a lead screw, a nut, and a clamping piece; the motor A is installed on the side wall of the inner cavity of the installation box B, one end of the lead screw is connected to the shaft of the motor A through a coupling, and the other end is connected to the shaft of the motor A through the shaft. The sleeve is movably installed on the side wall of the installation box B, the nut is threaded on the lead screw, one end of the clamping piece is clamped on the inflation joint A, and the other end is fixed on the nut; The installation box A includes a box body, a bottom plate, a rotating shaft, and a rotary drive mechanism; the box body is fixedly installed on the drone body, and its lower end is open. The mechanism is installed in the box body and is associated with the bottom plate, which drives the bottom plate to rotate around the rotating shaft, thereby opening or closing the opening at the lower end of the box body; The rotary drive mechanism includes a push rod, a slider, and a motor B; one end of the push rod is fixed on the shaft of the motor B, and the other end is movably connected with the slider, the slider is movably installed in the chute on the inner surface of the bottom plate, and the motor B is fixed Installed on the inner side wall of the box body; The control chip is installed in the installation box A, which is electrically connected with the wireless communication module, the GPS positioning module, the solenoid valve, the motor A and the motor B. 2. The small unmanned aerial vehicle of claim 1, characterized in that: the number of base plates has two pieces, and correspondingly, the rotating shaft has two pieces, and the junctions of the two base plates and the box body are respectively located in the box. on opposite sides of the lower end of the body. 3. The small unmanned aerial vehicle capable of air-dropping packages at a fixed point according to claim 1 or 2, wherein the box body is fixedly installed on the lower end of the unmanned aerial vehicle body.

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